Security update for xen

Announcement ID:	SUSE-SU-2020:3880-1
Rating:	moderate
References:	bsc#1027519 bsc#1163019 bsc#1176782 bsc#1179477 bsc#1179496 bsc#1179498 bsc#1179501 bsc#1179502 bsc#1179506 bsc#1179514 bsc#1179516
Cross-References:	CVE-2020-29130 CVE-2020-29480 CVE-2020-29481 CVE-2020-29483 CVE-2020-29484 CVE-2020-29566 CVE-2020-29570 CVE-2020-29571 CVE-2020-8608
CVSS scores:	CVE-2020-29130 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVE-2020-29130 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVE-2020-29480 ( SUSE ): 3.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N CVE-2020-29480 ( NVD ): 2.3 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N CVE-2020-29481 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2020-29481 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2020-29483 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2020-29483 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2020-29484 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2020-29484 ( NVD ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2020-29566 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2020-29566 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2020-29570 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2020-29570 ( NVD ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2020-29571 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2020-29571 ( NVD ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2020-8608 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H CVE-2020-8608 ( NVD ): 5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Products:	SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE Linux Enterprise Software Development Kit 12 SP5

An update that solves nine vulnerabilities and has two security fixes can now be installed.

Description:

This update for xen fixes the following issues:

• CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).
• CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322).
• CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).
• CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324).
• CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).
• CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).
• CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).
• CVE-2020-29130: Fixed an out-of-bounds access while processing ARP packets (bsc#1179477).
• Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).
• Multiple other bugs (bsc#1027519)

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

• SUSE Linux Enterprise Software Development Kit 12 SP5
  zypper in -t patch SUSE-SLE-SDK-12-SP5-2020-3880=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-3880=1
• SUSE Linux Enterprise High Performance Computing 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-3880=1
• SUSE Linux Enterprise Server 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-3880=1

Package List:

• SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 x86_64)
  • xen-devel-4.12.4_06-3.36.1
  • xen-debugsource-4.12.4_06-3.36.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
  • xen-libs-32bit-4.12.4_06-3.36.1
  • xen-libs-4.12.4_06-3.36.1
  • xen-tools-domU-4.12.4_06-3.36.1
  • xen-4.12.4_06-3.36.1
  • xen-tools-debuginfo-4.12.4_06-3.36.1
  • xen-tools-4.12.4_06-3.36.1
  • xen-libs-debuginfo-32bit-4.12.4_06-3.36.1
  • xen-tools-domU-debuginfo-4.12.4_06-3.36.1
  • xen-libs-debuginfo-4.12.4_06-3.36.1
  • xen-doc-html-4.12.4_06-3.36.1
  • xen-debugsource-4.12.4_06-3.36.1
• SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
  • xen-libs-32bit-4.12.4_06-3.36.1
  • xen-libs-4.12.4_06-3.36.1
  • xen-tools-domU-4.12.4_06-3.36.1
  • xen-4.12.4_06-3.36.1
  • xen-tools-debuginfo-4.12.4_06-3.36.1
  • xen-tools-4.12.4_06-3.36.1
  • xen-libs-debuginfo-32bit-4.12.4_06-3.36.1
  • xen-tools-domU-debuginfo-4.12.4_06-3.36.1
  • xen-libs-debuginfo-4.12.4_06-3.36.1
  • xen-doc-html-4.12.4_06-3.36.1
  • xen-debugsource-4.12.4_06-3.36.1
• SUSE Linux Enterprise Server 12 SP5 (x86_64)
  • xen-libs-32bit-4.12.4_06-3.36.1
  • xen-libs-4.12.4_06-3.36.1
  • xen-tools-domU-4.12.4_06-3.36.1
  • xen-4.12.4_06-3.36.1
  • xen-tools-debuginfo-4.12.4_06-3.36.1
  • xen-tools-4.12.4_06-3.36.1
  • xen-libs-debuginfo-32bit-4.12.4_06-3.36.1
  • xen-tools-domU-debuginfo-4.12.4_06-3.36.1
  • xen-libs-debuginfo-4.12.4_06-3.36.1
  • xen-doc-html-4.12.4_06-3.36.1
  • xen-debugsource-4.12.4_06-3.36.1

References:

• https://www.suse.com/security/cve/CVE-2020-29130.html
• https://www.suse.com/security/cve/CVE-2020-29480.html
• https://www.suse.com/security/cve/CVE-2020-29481.html
• https://www.suse.com/security/cve/CVE-2020-29483.html
• https://www.suse.com/security/cve/CVE-2020-29484.html
• https://www.suse.com/security/cve/CVE-2020-29566.html
• https://www.suse.com/security/cve/CVE-2020-29570.html
• https://www.suse.com/security/cve/CVE-2020-29571.html
• https://www.suse.com/security/cve/CVE-2020-8608.html
• https://bugzilla.suse.com/show_bug.cgi?id=1027519
• https://bugzilla.suse.com/show_bug.cgi?id=1163019
• https://bugzilla.suse.com/show_bug.cgi?id=1176782
• https://bugzilla.suse.com/show_bug.cgi?id=1179477
• https://bugzilla.suse.com/show_bug.cgi?id=1179496
• https://bugzilla.suse.com/show_bug.cgi?id=1179498
• https://bugzilla.suse.com/show_bug.cgi?id=1179501
• https://bugzilla.suse.com/show_bug.cgi?id=1179502
• https://bugzilla.suse.com/show_bug.cgi?id=1179506
• https://bugzilla.suse.com/show_bug.cgi?id=1179514
• https://bugzilla.suse.com/show_bug.cgi?id=1179516